EC, 500ppm, 700ppm, °C, °F

0.1 EC
10ppm (500ppm)
10ppm (700ppm)
1 °C / 1 °F

±0.1 EC (@ 2.77 EC)
±50ppm (500ppm) (@ 1385ppm)
±70ppm (700ppm) (@ 1940ppm)
±1 °C / ±2 °F

Yes

1 x AAA alkaline